<script setup>
import { useRoute } from 'vue-router'
import { onMounted, ref } from 'vue';
import { getCategorySubList } from '@/apis/category'
import { getGoodsList } from '@/apis/category'

import GoodsItem from '../Home/components/GoodsItem.vue'

const route = useRoute()

// 获取二级列表数据
const categoryData = ref({})
const categorySubList = async () => {
    const res = await getCategorySubList(route.params.id)
    categoryData.value = res.data.result
}

// 获取商品列表数据
const categoryGoodsList = ref([])
const subData = ref({
    categoryId: route.params.id,
    page: 1,
    pageSize: 20,
    sortField: 'publishTime'
})
const goodsDataList = async () => {
    const res = await getGoodsList(subData.value)
    categoryGoodsList.value = res.data.result.items
}

// 点击商品分类选项
const itemClick = () => {
    console.log(subData.value.sortField);
    subData.value.page = 1
    goodsDataList()
}

// 无限加载
const isDisabled = ref(false)
const load = async () => {
    subData.value.page++
    const res = await getGoodsList(subData.value)
    categoryGoodsList.value = [...categoryGoodsList.value, ...res.data.result.items]
    if (res.data.result.items.length == 0) isDisabled.value = true
}

onMounted(() => {
    categorySubList()
    goodsDataList()
})
</script>

<template>
    <div class="container ">
        <!-- 面包屑 -->
        <div class="bread-container">
            <el-breadcrumb separator=">">
                <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
                <el-breadcrumb-item :to="{ path: `/category/${categoryData.parentId}` }">
                    {{ categoryData.parentName }}
                </el-breadcrumb-item>
                <el-breadcrumb-item>{{ categoryData.name }}</el-breadcrumb-item>
            </el-breadcrumb>
        </div>
        <div class="sub-container">
            <el-tabs v-model="subData.sortField" @tab-change="itemClick">
                <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
                <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
                <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
            </el-tabs>
            <div class="body" v-infinite-scroll="load" :infinite-scroll-disabled="isDisabled">
                <GoodsItem v-for="item in categoryGoodsList" :key="item.id" :good="item" />
            </div>
        </div>
    </div>
</template>

<style lang="scss" scoped>
.bread-container {
    padding: 25px 0;
    color: #666;
}

.sub-container {
    padding: 20px 10px;
    background-color: #fff;

    .body {
        display: flex;
        flex-wrap: wrap;
        padding: 0 10px;
    }

    .goods-item {
        display: block;
        width: 220px;
        margin-right: 20px;
        padding: 20px 30px;
        text-align: center;

        img {
            width: 160px;
            height: 160px;
        }

        p {
            padding-top: 10px;
        }

        .name {
            font-size: 16px;
        }

        .desc {
            color: #999;
            height: 29px;
        }

        .price {
            color: $priceColor;
            font-size: 20px;
        }
    }

    .pagination-container {
        margin-top: 20px;
        display: flex;
        justify-content: center;
    }


}
</style>